Engineering High School

I need this asap thank you :) plzzzzz When the spring on a mousetrap car is fully unwound, the force acting on the car is _____.

a.the combination of friction and the force of the lever arm pulling on the axle

b.equal to the input force of the spring

c.only friction

d.gone

Answers

Answer 1

Answer:  (only friction) the friction lets it keep its speed and not slow down and it creats volocity between the serface of where the mousecar is running and the wheels on the ground

sorry if im wrong i tried my best

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PLEASE HELP!!!!!!!!!!!!!!!!!!!!! I AM BEING TIMED!!!!!!!!!!!!!!!!!!!!!! 30 MINUTES LEFT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which is the best choice for describing orthographic projections?



They include many sketches that incorporate leader lines.


They include leader lines and extension lines.


They include the exact dimensions of an object.


They include top, bottom, back, and all side views of an object.

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The best choice for describing orthographic projections is the following:

They include the exact dimensions of an object

What is an orthographic projection?

An orthographic projection is a sketch format that engineers use to communicate the ideas they have to other professionals.

This type of sketch has all the dimensions and specifications that are needed to manufacture the objects needed.

Check more information about orthographic projections here https://brainly.com/question/876529

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